| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.16 | 3.16 | 0.00 |
| Feb | 2.69 | 2.61 | 0.08 |
| Mar | 3.80 | 3.77 | 0.03 |
| Apr | 4.42 | 4.39 | 0.03 |
| May | 4.57 | 4.56 | 0.01 |
| Jun | 4.68 | 4.53 | 0.15 |
| Jul | 4.21 | 4.11 | 0.10 |
| Aug | 3.26 | 3.16 | 0.10 |
| Sep | 2.99 | 3.03 | -0.04 |
| Oct | 3.11 | 3.08 | 0.03 |
| Nov | 3.00 | 3.02 | -0.02 |
| Dec | 3.37 | 3.30 | 0.07 |
43.26 | 42.72 | 0.54 |